package cn.wgoodq.interceptor;

import cn.wgoodq.domain.User;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Created by kyou on 2017/4/17.
 */
public class AccessInterceptor implements HandlerInterceptor {
    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        logger.debug("requestUrl:{}", request.getRequestURL());
        User user = (User) request.getSession().getAttribute("user");

        if (user != null) {
            logger.debug("user: {}", user.toString());
            return true;
        }

        response.sendRedirect("/login");
        logger.debug("Unauthorized, redirect to '/login'");
        return false;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
